The newest great value mid-range performance safety bike light set AMP 200 Features: Compact rechargeable headlight (200 lm) Up to 30 hours runtime Three light modes (High / Low / Flashing) Features – Easy to attach and remove, new & improved rubber band mount with 360° rotation. Excellent side visibility Low battery indicator Lithium-Ion USB rechargeable battery (Micro-USB cable included) Mode memory function Three light modes (High / Low / Flashing) Weight: Only 62g Designed in Japan VIZ 100 Features: 3 LEDs (100 lumens) Focused lens for maximum visibility Highly visible during daytime Superior 300 degree visibility Long rear beam projection Opti Cube™ lens technology Lithium-ion rechargeable battery USB rechargeable (Micro-USB cable included) Low battery indicator 4 modes: Constant / Flashing / Group Ride / Daytime Hyperflash Mode memory function Battery Auto Save (The mode automatically changes to flashing when the battery power gets low.) New seat post bracket SP-15 which also fits contemporary (Kammtail) aero seat post. Snap System™ bracket. Designed in Japan. Lighting Buying Guide.